<?php
echo $form->renderBegin();
$this->widget('zii.widgets.jui.CJuiTabs', array(
    'tabs'=>array(
        'Export Information'=>$form->renderBody(),
        'Shipment List'=>$gridView,
    ),
    // additional javascript options for the tabs plugin
    ));
$this->widget('application.widgets.button.button', array(
                                                        'options'=>array('label'=>'Submit','icon'=>'ui-icon-plusthick','click'=>"js:function(){jQuery.yii.submitForm(this,'',{'add':1});return false;}"),
                                                        'name'=>'submit',
                                                        ));
echo $form->renderEnd();
?>